/Engine/Source/Runtime/MovieSceneTracks/Public/Systems/WeightAndEasingEvaluatorSystem.h
System that finalizes creation of easing channels by allocating new channels for hierarchical blend targets if necessary This is required in order to solve the problem that the hierarchical instantiator needs to run before the property instantiator, but we can't allocate channels for blend targets untilafterthe property instantiator (which sets up the relevant BlendTarget components)
class UMovieSceneHierarchicalEasingFinalizationSystem : public [UMovieSceneEntityInstantiatorSystem](API\Runtime\MovieScene\EntitySystem\UMovieSceneEntityInstantiatorSys-)